<template>
  <div class="pay-success">
    <!--如果是单独的页面，就没必要展示导航栏(带有登录的用户)-->
    <Header/>
    <div class="main">
      <div class="title">
        <div class="success-tips">
          <p class="tips">您已成功购买 1 门课程！</p>
        </div>
      </div>
      <div class="order-info">
        <p class="info"><b>订单号：</b><span>{{ result.out_trade_no }}</span></p>
        <p class="info"><b>交易号：</b><span>{{ result.trade_no }}</span></p>
        <p class="info"><b>付款时间：</b><span><span>{{ result.timestamp }}</span></span></p>
      </div>
      <div class="study">
        <span>立即学习</span>
      </div>
    </div>
  </div>
</template>

<script setup>
import Header from "../components/Header.vue"

import {ref} from 'vue'
import {reqCheckOrder} from "../api/order.js";
import {ElMessage} from "element-plus";

const result = ref({})
// 解析支付宝回调的url参数
let params = location.search.substring(1);  // 去除? => a=1&b=2
let items = params.length ? params.split('&') : [];  // ['a=1', 'b=2']
//逐个将每一项添加到args对象中
for (let i = 0; i < items.length; i++) {  // 第一次循环a=1，第二次b=2
  let k_v = items[i].split('=');  // ['a', '1']
  //解码操作，因为查询字符串经过编码的
  if (k_v.length >= 2) {
    // url编码反解
    let k = decodeURIComponent(k_v[0]);
    result.value[k] = decodeURIComponent(k_v[1]);
    // 没有url编码反解
    // this.result[k_v[0]] = k_v[1];
  }

}
// 解析后的结果
console.log(result);


// 要向后端发送请求，携带数据
async function check_success() {
  let res = await reqCheckOrder(result.value)
  ElMessage({
    type: 'success',
    message: res.msg
  })
}

check_success()

</script>

<style scoped>
.main {
  padding: 60px 0;
  margin: 0 auto;
  width: 1200px;
  background: #fff;
}

.main .title {
  display: flex;
  -ms-flex-align: center;
  align-items: center;
  padding: 25px 40px;
  border-bottom: 1px solid #f2f2f2;
}

.main .title .success-tips {
  box-sizing: border-box;
}

.title img {
  vertical-align: middle;
  width: 60px;
  height: 60px;
  margin-right: 40px;
}

.title .success-tips {
  box-sizing: border-box;
}

.title .tips {
  font-size: 26px;
  color: #000;
}


.info span {
  color: #ec6730;
}

.order-info {
  padding: 25px 48px;
  padding-bottom: 15px;
  border-bottom: 1px solid #f2f2f2;
}

.order-info p {
  display: -ms-flexbox;
  display: flex;
  margin-bottom: 10px;
  font-size: 16px;
}

.order-info p b {
  font-weight: 400;
  color: #9d9d9d;
  white-space: nowrap;
}

.study {
  padding: 25px 40px;
}

.study span {
  display: block;
  width: 140px;
  height: 42px;
  text-align: center;
  line-height: 42px;
  cursor: pointer;
  background: #ffc210;
  border-radius: 6px;
  font-size: 16px;
  color: #fff;
}
</style>
